The researchers found that, in DC pregnancies, the risk of stillbirth and neonatal mortality (death during first 28 days of life) were “balanced” until 37 weeks’ gestation.

However, delay in delivery by a week (to 38 weeks) led to an additional 8.8 deaths per 1,000 due to an increase in stillbirth.

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A team of researchers analysed the results of 32 studies, published within the past 10 years, that reported rates of stillbirth and neonatal mortality after 34 weeks for mothers with uncomplicated twin pregnancies.

In MC pregnancies, the risk of stillbirth was higher than neonatal death after 36 weeks’ gestation. But the researchers stated more data is needed to make a clear recommendation on best time to deliver twins in MC pregnancies.

The authors also pointed out that the actual risk of stillbirth near term for twin pregnancies “might be higher than reported estimates because of the policy of planned delivery in twin pregnancies”.

But, they said: “Our study provides comprehensive estimates comparing risks of stillbirth and neonatal mortality at various gestational ages, which is required for the planning of delivery in uncomplicated twin pregnancies.

“This information will complement the ongoing national and international efforts to reduce the rates of stillbirths and unexpected neonatal complications in babies born near term.”